22121103111 has 8 divisors (see below), whose sum is σ = 30511866480. Its totient is φ = 14238870912.

The previous prime is 22121103089. The next prime is 22121103113. The reversal of 22121103111 is 11130112122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22121103111 - 2⁵ = 22121103079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121103113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127132690 + ... + 127132863.

It is an arithmetic number, because the mean of its divisors is an integer number (3813983310).

Almost surely, 2^22121103111 is an apocalyptic number.

22121103111 is a deficient number, since it is larger than the sum of its proper divisors (8390763369).

22121103111 is a wasteful number, since it uses less digits than its factorization.

22121103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254265585.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22121103111 its reverse (11130112122), we get a palindrome (33251215233).

The spelling of 22121103111 in words is "twenty-two billion, one hundred twenty-one million, one hundred three thousand, one hundred eleven".